Arduino Shield板

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产品详情

特征

Gradation control

  • Support up to four groups of LED gradation control
  • Each LED channel assigned to one of four groups
  • For each group, PCA9959 supports 64-grid brightness control
  • Each LED output has its own 6-bit resolution (64 steps) preset current configuration, with an absolution accuracy of ± 8%

Power supply

  • Supply voltage: 2.7V to 5.5V
  • Low standby current (170 µA)

LED current

  • 32 mA / 5.5V output drive per channel
  • Output current accuracy:
    • ±4% channel to channel
    • ±6% chip to chip
  • Output current adjusts through resistor at REXT pin

Interface

  • 10 MHz SPI interface
  • Output Enable (/OE) pin

Package

  • HVQFN40 - Plastic thermal enhanced very thin quad flat package; no leads; 40 terminals; body 5 x 5 x 0.85 mm

购买选项

PCA9957HN-ARD-Image

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  • PCA9957HN-ARD

  • PCA9957HN-ARD LED Driver Arduino® Shield Evaluation Board.

  • CNY 239.39
  • 数量为 1
    • 供货情况: 现货
    • 库存: 9
    • 配送: 正常情况下 1-2个工作日内发货
从分销商处购买

文档

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4 文件

Related Hardware

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4 硬件

设计文件

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1 设计文件

软件

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3 软件文件

  • 应用示范软件

    PCA995x_ARD_GUI

  • BSP及设备驱动

    PCA9957 LED Driver with Demo App (SDK)

  • BSP及设备驱动

    PCA9957 LED Driver - Application Code Hub

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